“Joey: [Discussing at Meg’s on the tornades they have seen so far at Meg’s home at her dining table, eating steak and eggs] No, that was a good-sized twister. What was it, an F3? Bill: Solid F2. Melissa: See, now you have lost me again. Bill: It’s the Fujita scale. It measures a tornado’s intensity b…”
— Michael Crichton, Anne-Marie Martin, Dr. Melissa Reeves, Jami Gertz, imdb.com